require 'rails_helper' describe SimilarTopicsController do context 'similar_to' do let(:title) { 'this title is long enough to search for' } let(:raw) { 'this body is long enough to search for' } let(:topic) { Fabricate(:topic, title: title) } let(:post) { Fabricate(:post, topic: topic, raw: raw, post_number: 1) } let(:private_post) { Fabricate(:post, raw: raw, topic: private_topic, post_number: 1) } let(:private_topic) do Fabricate(:topic, title: "#{title} 02", category: Fabricate(:private_category, group: Group[:staff])) end def reindex_posts SearchIndexer.enable Jobs::ReindexSearch.new.rebuild_problem_posts end it "requires a title param" do get "/topics/similar_to.json", params: { raw: raw } expect(response.status).to eq(400) end it "returns no results if the title length is below the minimum" do SiteSetting.minimum_topics_similar = 0 SiteSetting.min_title_similar_length = 100 post reindex_posts get "/topics/similar_to.json", params: { title: title, raw: raw } expect(response.status).to eq(200) json = ::JSON.parse(response.body) expect(json["similar_topics"].size).to eq(0) end describe "minimum_topics_similar" do before do SiteSetting.minimum_topics_similar = 30 end describe "With enough topics" do it "deletes to Topic.similar_to if there are more topics than `minimum_topics_similar`" do Topic.stubs(:count).returns(50) post reindex_posts get "/topics/similar_to.json", params: { title: title, raw: raw } expect(response.status).to eq(200) similar_topics = ::JSON.parse(response.body)["similar_topics"] expect(similar_topics.size).to eq(1) expect(similar_topics.first["topic_id"]).to eq(topic.id) end describe "with a logged in user" do before do private_post; post reindex_posts Topic.stubs(:count).returns(50) sign_in(Fabricate(:moderator)) Group.refresh_automatic_groups! end it "passes a user through if logged in" do get "/topics/similar_to.json", params: { title: title, raw: raw } expect(response.status).to eq(200) similar_topics = ::JSON.parse(response.body)["similar_topics"].map { |topic| topic["topic_id"] } expect(similar_topics.size).to eq(2) expect(similar_topics).to include(topic.id) expect(similar_topics).to include(private_topic.id) end end end it "does not call Topic.similar_to if there are fewer topics than `minimum_topics_similar`" do Topic.stubs(:count).returns(10) post reindex_posts get "/topics/similar_to.json", params: { title: title, raw: raw } expect(response.status).to eq(200) json = ::JSON.parse(response.body) expect(json["similar_topics"].size).to eq(0) end end end end